Wow, what a loaded question. Most of my characters are bizarre-appearing aliens who self-evolve instead of breed to advance, so that's a no. One of those aliens is nursing a crush on another alien character, but it's less more like a hopeless infatuation born out of fascination than a typical hormone bath seen among the human species. Space is not romantic destination in Alien Fiction. If some other creator answers yes, I have no problem with that.
Thanks for including both comic creators and novelists in the question.